Performance Hydraulic Flat Tappet Single Valve Springs - 1.437 H778C31 1962-1971 Pontiac Acadian

1962-1971 Pontiac Acadian

1979-1994 GMC G2500

Also fits 1984 to 1993 TH700R4 automatic transmission and accepts a 30 splined shaft

Fuel Pump Rebuild Kit

Camshaft Change

Performance Hydraulic Flat Tappet Single Valve Springs - 1.437 H778C31 1962-1971 Pontiac AcadianProduct Description: Valve Spring Single Spring Damper 210 lb in Spring Rate 1. 050 in Coil Bind 1. 437 in OD Set of 16 The name Howards Cams has been synonymous with high performance camshafts since the 1950s. Howards Cams have always used on track experience to design the most powerful designs. This includes early Top Fuel favorites driven by Jack Chrisman and Larry Dixon Sr. Today we have even a greater group of experienced racers in Circle Track,